From 48a2302053c626a8c25df37af1832cf8401fc1c4 Mon Sep 17 00:00:00 2001
From: Kibi Kelburton <git@f0ck.it>
Date: Thu, 16 Jul 2026 01:02:20 +0200
Subject: [PATCH] video sticker preview img

---
 src/inc/routes/emojis.mjs | 41 ++++++++++++++++++++++++++++++++++++---
 views/admin/emojis.html   |  4 ++--
 2 files changed, 40 insertions(+), 5 deletions(-)

diff --git a/src/inc/routes/emojis.mjs b/src/inc/routes/emojis.mjs
index 85a6a2b..55da646 100644
--- a/src/inc/routes/emojis.mjs
+++ b/src/inc/routes/emojis.mjs
@@ -6,6 +6,7 @@ import path from "path";
 import { fileURLToPath } from "url";
 import { execFile as _execFile } from "child_process";
 import { promisify } from "util";
+import crypto from "crypto";
 
 const execFile = promisify(_execFile);
 
@@ -281,19 +282,53 @@ export default (router, tpl) => {
             return res.reply({ code: 400, body: JSON.stringify({ success: false, message: 'thumb_url must be a local /s/emojis/ path' }) });
         }
         try {
+            let finalThumbUrl = thumbUrl;
+
+            // For .webm stickers: extract first frame -> save as WebP so tabs always show a static image
+            if (thumbUrl.endsWith('.webm')) {
+                try {
+                    const webmPath = path.join(cfg.paths.emojis, path.basename(thumbUrl));
+                    const randSuffix = crypto.randomBytes(24).toString('hex');
+                    const tmpPng  = path.join(cfg.paths.emojis, randSuffix + '_tmp.png');
+                    const webpPath = path.join(cfg.paths.emojis, randSuffix + '_thumb.webp');
+
+                    // Step 1: ffmpeg extracts first frame to a temp PNG file
+                    await execFile('ffmpeg', [
+                        '-y', '-i', webmPath,
+                        '-vframes', '1',
+                        tmpPng
+                    ], { maxBuffer: 20 * 1024 * 1024 });
+
+                    // Step 2: ImageMagick converts PNG -> WebP
+                    try {
+                        await execFile('magick', [tmpPng, '-quality', '85', webpPath], { env: magickEnv });
+                    } finally {
+                        await fs.unlink(tmpPng).catch(() => {});
+                    }
+
+                    const stat = await fs.stat(webpPath).catch(() => null);
+                    if (stat && stat.size > 0) {
+                        finalThumbUrl = '/s/emojis/' + randSuffix + '_thumb.webp';
+                        console.log('[SET THUMB] Generated WebP thumbnail from .webm: ' + finalThumbUrl);
+                    }
+                } catch (thumbErr) {
+                    console.warn('[SET THUMB] Could not generate WebP from .webm:', thumbErr.message);
+                }
+            }
+
             try {
-                await db`UPDATE sticker_packs SET thumb_url = ${thumbUrl} WHERE id = ${id}`;
+                await db`UPDATE sticker_packs SET thumb_url = ${finalThumbUrl} WHERE id = ${id}`;
             } catch (colErr) {
                 // Column might not exist yet — add it and retry once
                 if (colErr.message && colErr.message.includes('thumb_url')) {
                     await db`ALTER TABLE public.sticker_packs ADD COLUMN IF NOT EXISTS thumb_url text`;
-                    await db`UPDATE sticker_packs SET thumb_url = ${thumbUrl} WHERE id = ${id}`;
+                    await db`UPDATE sticker_packs SET thumb_url = ${finalThumbUrl} WHERE id = ${id}`;
                 } else {
                     throw colErr;
                 }
             }
             await db`NOTIFY emojis_updated, '{}'`;
-            return res.reply({ headers: { 'Content-Type': 'application/json' }, body: JSON.stringify({ success: true }) });
+            return res.reply({ headers: { 'Content-Type': 'application/json' }, body: JSON.stringify({ success: true, thumb_url: finalThumbUrl }) });
         } catch (e) {
             console.error(e);
             return res.reply({ code: 500, body: JSON.stringify({ success: false, message: "Database error" }) });
diff --git a/views/admin/emojis.html b/views/admin/emojis.html
index 452a474..17872bc 100644
--- a/views/admin/emojis.html
+++ b/views/admin/emojis.html
@@ -420,9 +420,9 @@
                     .then(function(r) { return r.json(); })
                     .then(function(data) {
                         if (data.success) {
-                            // Update local pack data so re-render shows correct current icon
+                            // Use the URL the server actually stored (may be a generated WebP for .webm stickers)
                             var pack = (window.emojiAdmin.packs || []).find(function(p) { return p.id === packId; });
-                            if (pack) pack.thumb_url = thumbUrl;
+                            if (pack) pack.thumb_url = data.thumb_url || thumbUrl;
                             // Re-render only this pack's grid — grid stays open
                             renderPackGrid(packId);
                         } else {